ML18283B461

Licensee Event Report Concerning the Drywell Air Sampling System That Remained Inoperable Twice for Periods Greater than 24 Hours

ML18283B461
Person / Time
Site:	Browns Ferry
Issue date:	10/13/1976
From:	Fox H Tennessee Valley Authority
To:	Moseley N NRC/IE, NRC/RGN-II
References
Download: ML18283B461 (6)

Text

NRC FoAM 196 I2 76)TO: Mr Moseley FROM: Tennessee Valley Authroity Chattanooga, Tn J E Gilleland r U.S.NUCI.CAA REGULATOAV COI'ION NRC DISTRIBUTION FoA PART 50 DOCKET NIATERIAL DOCKET NUMBER 5'0-2 P(p-FILE NUMBER INCIDENT REPORT DATE OF Oo CUML'T 10-13-76 DATE RECEIVED 11-5-76 1%LETTER NOR IGINAL Ocopv ONOTOAIZED fitf UNC LASS IF I E D PROP INPUT FOAM NUMBER OF COPIES RECEIVED one signed DESCRIPTION Ltr trans the following:

ENCL.OSU AE Licensee Event Report (R087614)on 9-14-76 concerning inoperability of drywell air samp-ling system[rP.CZZOWLZDGZD.NOBODY gEJE0v, PLANT NAME: Browns FerryiP3 NOTE: IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J..COLLINS FOR ACTION/I NFO RMAT ION-7 e KVDICH CHIEF: V CYS FOR ACTION LIC..ASST.:

>r I CYS ACRS CYS%4MH8 S'G FILE NRC PD IREE 2 MIPC.SCHROEDER IPPOLITO HOUSTON NOVAK CHECK GRIMES CASE HJTLER HANAUER TEDESCO MACCARY EISENHUT HAER SHAO VOLLMER BJNCII KREGEB J.COLLINS INTERNAL D ISTRI BUTION-s t'PDH: E VIC;ZfQlCa EXTERNAL DISTRIBUTION CONTROL NUMDE R NIIC I'OIIM II)ti (2 7(I) 2 I~~~~~~

0 OgL]TIP'q~m~~c O m b~4'~~a-ie<~TENNESSEE VALLEY AUTHORITY.

October 13, 1976 Mr.Norman C.Moseley, Director U.S.Nuclear Regulatory Commission Office of Inspection and Enforcement Region II 230 Peachtree Street, NW., 8th Floor Atlanta, Georgia 30303'CHATTANOOGA.

TENNESSEE 37401~N QQQ(E-;.I.,Q&gg.i8/g~l~

Dear Mr.Moseley:

TENNESSEE VALLEY AUTHORITY-BROWNS FERRY NUCLEAR PLANT UNIT 3-DOCKET NO.50<<296-FACILITY OPERATING LICENSE DPR-68-REPORTABLE OCCURRENCE REPORT BFRO-50-296/7614 The enclosed report is to provide details concerning the drywell air sampling system that remained inoperable twice for periods greater than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.Analyses of grab samples were not performed as required.This report is submitted in accordance with Browns Ferry Technical Specifications Section 6.This event occurred on Browns Ferry Nuclear Plant unit 3.Very truly yours, TENNESSEE VALLEY AUTHORITY S.Fox Director of Power Production pocKETED QNRQ NDV5 1976 tip)ggeLUR To eoMMlss Ml-2 , Enclosure (3)CC (Enclosure):

Director (3)Office of Management Information and Program Control U.S.Nuclear Regulatory Commission Washington, D.C.20555 Director (40)Office of Inspection and Enforcement U.S.Nuclear Regulatory Commission Washington, D.C.20555 938~8 An Equal Opportunity Employer X'a.0:jO')'E',", JJOCXl al qVV L'~BOJi~~)fifa',IO.a

~'Xa fl'Il"J:;.,V.l g I<>dfi.buffa",'kgb

'Xf'aQLOII'yx

.8~ff Jff~<<,OXOaflal a ff I IIO'JJQOO(iafal 9.>>~~.'u.iX()

IL Ilgwu.aaaVSI XOOI;".,l0."...'J y;,Xp~~X.l..",.l.'yX.tl(of:~'<

F~)t.(]f I'k'XOpa~l~K;a..>p'LX~.

I s.~aiaP)a,'!'if.)')y ail<.4%i,.

'y)l s iiJ i"<<p.al~a'.>>'i@ik u bA i i)>l l al'.aaaf>>ay aaa'i ia a<aiiaa Js'i.'f.'1'l".,"l.~".<)

r.x'I',JJ3.'>

'i"<-.')<"!.'O~:

.<<JJ , alJ'!,NJJ(l J,'p>X~>/!7->JJp-I>,,'J<<",i',f<)"<<<pJ, la)a ai'g.Qa')')

~<Iff-'I~X:'P'>flue VU<;1(f>>".>>'J ValXPP<<i',a.a:,L a Xa>fl'its I'afIOJOfl'I fi"p"f IiDiiapa I'",, Ia)035')O fpyl I Of i'0.'I II'I>>I pp.)f'~j J49f)I!Jf JQI SPl'I)f O.p!'g i aafyJLIp,,f

~f<l.I>apg]frOalX p!=bOJ~XO3Xp~q XOII piXpilr""lp>[@alp:a

<lllX;;3O a>;qlnff~.;;X.VWf Jt~',~"I'aV~I'Og gg'a('f"g3 pf qq3 wag'pJ p<<l'IO'X" fige I gqflfaJagA3~pP lfg Ji>'qQgg"J If'>>~lg QXOOyy I 0 pal~3fff'f'f-" f)Ifpi"nd i w.'ff fO'.fa, fip.')'3X'XllOOO dfIBV">e.:kSJJ l~)II'1LNQ!9ya 3XIIO<g J'fled~r'X Ji", 7'>'3,<if."'k)tP,'J V7,.f",P.'!O'S".,",I':O'J at~~JJJ IIOlDOu".OXiJJ XO-n>'S~O rOXO'>Xi((!(i)pXXI;ION(III.

(~X.l;:O,fOffa) a,')(I)l)3O')XJ.IJJ ,I')I'JJf"lw)J'aDX" O I'ai~G fi!4V Xf'.a IO lfll Afar.'>a illalf'r~~,.

X9,")OtJ+.a<>paOL'"".'L',".Ua)'O.fplfll,'pp I XfffiLOIIi'

~'a~<I~,I~I"I q PION ff f llalll f ((i<4)NPI~a'..>OXOXII., hm, IIOr">a.iJ,>lP..

2O'.~:u'-Id flggf:.".~-J)',)PXOg;l'll",q,".

X."~,lmf'."..!.

j Cc.f,"R.J.L,,II~A;fI.P.I<<.f;,l I~~""..ENIEII~e, CONTROL BLOCK:i 1 I.tCENSFE NAME 6 LICENSE NUMOEA LICFNSE TYPE EVENT TYPE LIOSEE EVENT REPORT (PLEASE PAINT ALL RECIIjtRED INf ORMATIDIII)

I0O~]LA L 0 R E 3 0 0-0 0 0 I 14 15 REPORf AEPOAT CATEGOflY" TYPE SOURCE 7 09 OOCKET NUMBER 57 58 59 60 7 8 61 IQD1j CON'T t Q~L 0 5 0 t I 25'6 EVEN f DATE 0 9 1 4 68 69 74 75 REPORf OATE 60 EVENT OESCRIPTION

~0 2 I Dr ell air sam lin s stem twice remained 0 9 CQ Q 3 Analyses of grab sam les were not erformed as re u 7 0 9 BFRO-50-296 7614 60 80 80 7 8 9 7 8 9 SYSTEM CAUSE COOE COOE COMPONFNT Ioorl~1E A~I R g T 7 0 9 10 11 12 CALISE OESCR!PTION IOO~]Condensation from air sam FACIE COMPQtgEt(T COO E SUP PUEA COI.I((OVEI(I MANUFACI<<cR 17 43 44 47 40 7 89 I failure..Alternate redun 7 0 9 SI'I i 7 09 FACIUTV SIA'f US%'PO'LVEA[ii)'.~i Logl'oi 7 0 9 10 12 13 FORM OF AC I IVITY CoiNTENT Bf LEASEO OF RELEASE.IZI ME.LiI 7 8'10 11 PERSONNEL EXPOSURES Lo~~~z 7 09 12 13 PERSONNCL INJURIES H$4 Lo LU0~0 7 8 9.-11 1?dant sam lin rendu'.METHOO OF OISCOVEAY OTHER STATUS 13 44 45 46 AtllOUNT OF ACTIVAY 44 45 Ol'FSITE CONSEQUENCES NA 7 80 LOSS OR 0('(Ii(iAGE TQ PACILIT (TV>E OESCRIPTIOtd Kl i~..l 7 09 10 e PIJBLICITY IKl~7 8 DISCOVERY OESCR(PIION NA LOCATION OF RELEASE NA le collected in the radiation monitor 60 00 eo 00 AOOlTIQ!(lAI FACTO(eS ())Temperature of systems heat tracing has been.incieased to hei eliminate condensatign~

00 7 8 9 L([!1(Igigns will be Placed an monitors stating when to initiate~sam li~n Programe 7 00 f(I IQNC: (IPO Oe(I ("(Im C.>>k